Hub shell construction



mad sem. 11.11929TY Muna...

IN VEN TOR. 'RUSSELL 5-` Eme.

ATTORNEY.

'mountabl "without increasing Patented Fehr 9, 1932 istanti UNITED STATES .PAT-,ENT OFFICE ,V

Bussum s Biase, on innranaronrsinnima, .ass-:Gnou To anni) WHEEL comuni?, FvrHILADELPHIA, PENNSYLVANIA, AGOBIGRATION 0F PENNsXLvANiA application iiiejgi se'p'feiniwr ii, iaiiag sensi no. 391,754.

@his mention relates to wire wheel hub 4shells and'more particularly toim'provements lin such shells which are adapted to4 lbe desecured to theusua'l wheel hub iiaiige an which are interchangeable between .front and rear hubs and-with wood or disk wheels on 4the same hub. t

,The prime. object of the invention is an arrangement'of hub` shell parts with respect to the hub iiange which bears them such that may be had for spoke anchorthe inner end of tlie hub shell the internal diameter of adequate room ages adjoining I'theinnerv end materially beyond the external t diameter of the hub flange,v It has heretofore 'beencustomary to provide a general'radial `Haring ofv the hub extension and outward v shells in this region. This is avoided'by my invention.

'Another object of the presentinvention is y fthe provision of a hub shell 4of the character .described which is not only simple in construction andeconomical to manufacture but which also rovides for a strong ,spoke anchorage for t ose spokes which-take the major torque' and load strains.

V A still further object of the-invention is vthe provision component parts of which are of simple geoiiietric design whereby the cost of fabricating of a wire wheel hub lshell the tliesame is reduced to a minimum at the same time thatr the strength and ei'ciency thereof are increased.y to a maximum degree.

f1. Still another object of the invention is to provide'a hub shell'of such design as toelfectiially preclude'all lpossibility of the wheel l from shifting or tilting out of 'axial coinciwww, ,ad of @se :une bak?,

dence with the supporting hub therefor. To

this end, the shellcom'prises a main barrel member to which thel wheel spokes are adapted to be anchored and an attaching member by means of which said `barrel member is positionally secured upon the wheel hub. A I distinguishing featureI of the present construction resides inthe fact that while one portion of the attaching member bears directly against the wheel lliiib flange another and spacedportion thereof, together with drum, thereby: insuring al ciples 'of the 'present invention.l

, locking 16 lprojecting outwardly the barrel member, bears more firm and secure foundation for theihub shell as' a whole.

-Otlier objects of the invention and advanpointed out in the appended claims. In the said accompanying drawing the single-ligure is an 'axial section of the hub portion of a wheel showing the improved hub shell mounted thereon in accordance with the prin- "Referring now more particularlyrl tothe drawing it will be observedthat'the im roved hub shell construction is shownl app ied to a wheel hub of thelusual'type and having a radial'flange 11. Secured to the rear facey .Y

of this hub flange 11 is a brake drum 12' 'the ina-in ybody or web 13 of' which is of substantially plane formation. tlief instant showing, the brake drum is shown secured to the hub riange by a-plurality of circumferentially spaced headed studs 14 each of which is provided with an upset shoulder 15 for the brake drum 'to .the hub flange. As clearly appears in the figure each of the studs 14 is provided with a threaded shank l ofthe hub flange 11 and in arallelism with the central axis ofthe hub. t' will be observed that the outer surface of the hub flange is of stepped formation whereby to provide an annular bearing surface 17 lying in a planedispose'd substantially at right angles to the central axis ofthe hub.

The hub shell proper as constructed in accoi-dancel with the present invention `comprises a main barrel member 18 and an attaching member 19 for securing the hub shell to the wheel hub. vThe member 18 is of substantially cylindrical formation and is adapted to bereadily formed out of sheet metal stock by tions.` The wall of this Abarrel member is curved longitudinally of the axis thereof so as to provide a somewhat larger diameter at the rrear than atl-the frontend, the minisimple rolling and pressing opera mum internal diameter thereof being such that it exceeds the diameter of the circle formed bv the studs 14. The front or outer end of tie barrel member 18 is provided with an annular divergent portion 20 constituting the anchorage'zone for the inner ends of the outer set of spokes (not shown) which serve to brace the wheel, against lateral thrusts.V v The attaching member 19 is substantially in the form of an annular ring of substantially channel section, the inner wall 21 of which is of considerably less de th than the outer wall 22 thereof. Provider in the base Wall 23 of ,this channeled ring 19 are a plurality of centrally apertured sockets 24; of ,substantially spherical formation through which the threaded Shanks 4of thestuds 14 are adapted to be projected. Ball-faced nuts 2,5., which are adapted to be respectively seatedwithin thcsockets 24, threadedly engage the studs 14 for securingr the attaching member-19 in position. The attaching member. dueto its simple geometric design may be readily fabricated out of rolled stock, bentA into-a circle and Welded together after which it is pressed or otherwise Worked into its final form.

I It will be observed that the external diameter of the attaching member or ring 19 is such vthat it is adapted to be telescoped Within the rear end of the barrel member 18, ,the relative osition of these partsA being shown in the rawing wherein it' will be seen that the rearedge of the outer wall 22 of the member 19 terminates in the plane ofthe corres )ending edge of the barrel member 18. In orderto effect a permanent assembly between the members 18 and 19 the contacting surfaces thereof are `preferably welded together, the proximate rear edges thereof being also securely united, preferably by arc welding. The portions thus welded together provide al rear anchorage zone of doubled thickness for'the inner set of spokes a portion ofg one of which is shown) which receive izo the major portion of the torque and load fstrainsto which the wheel is subjected when in use,

It will be observed that the diameter of the outer wall 22 of the attaching member is greater than the overall diameter of the hub fiange 11 and that the rear edge thereof, to-

gether with the corresponding edge of thev barrel member 18 of the hub shell, is adapted to bear directly against the exposed external surface of the brake drum 12. The rear edge of the inner wall 21 of the attaching ring bears against the annular bearing surface 1T vrovided upon the frontal surface ofthe hub ange. By means of the construction just described a hub shell is provided y whichis not only compact in overall dimensions, strong and durable 1n use and neat in C5 external appearance but which also providesI v closed by any suitable type of quick-'detachextending flange,

for a very firm and substantial foundation i for the hub shell, thereby insuring against axial mis'alignment between the wheel and its supporting hub. l But over and above the foregoing is sei, cured the prime object of my invention, an axial rather than a radial extension of the hub shell 18 over the external diameter of theV hub flange 1l and on a diameter not greatly exceeding the diameter of the hub flange whereby without increasing the diameter of the shell 18 within this region, there is provided a space 25 entirely adequate for 1 .the anchorage of spokes 26. Moreover, by i reason of the bearing of the inner end of the hub shell 18 directly against the brake drum i 13, Ait is unnecessary to increase the diameter of the hub iange 11 to secure such a bearing. l Simplicity of construction, economy of mai terals in this region, and the feasibility of 8 a very' pleasing exterior design of hub shell 18 atonce become correlative advantages. i The improved construction of' hub shell as described herein not only lends itself readily to the concealment of the securing studs and 9 nuts but it also permits convenient and ready l access to the nuts when described. To this end theouter end of' the barrel member 18, which is shown open in the drawing, may be able cover or name plate'.

It will be understood, of course, that various'changes in the invention may be made from time to time without departing from the real spirit or principles thereof and it is accordingly intended to claim the same broadly, as well as specifically, as indicated by the appended claims.

What is claimed as new and useful is 1. In a demountabl'e Wire wheel construction, in combination, a hub having a radially a brake drum having a substantially fiat main body portion adapted to be permanently secured fiat-wise against the rear surface of said hub flange, a hub shell having spoke anchorage zones adjacent each end thereof, the diameter at the rear edge of said shell being greater than` that of'said hub flange whereby to permit said rear edge of the shell to abut the external surface of said brake drum main body, an attaching member for said shell telescopically received within the rear end thereof, said attaching member being in the form of an annulns having c0ncentric outer and inner lia-nges, the outer of said ianges being in contacting engagement with and constituting a reinforcement for the spoke anchorage zone of the hub shell and the inner flange being seated against the frontall surface of the 121 hub flange, and means demountably securing said hub shell to the hub of the vehicle.

2. In a d'emountable wire wheel constructiomin combination, a hub therefor having a radial flange and a brake drum securedto the l 'rear surface of said iiange, the vmain body of said brake drum l ing 1n a plane dis osed substantially 'at rigidi', angles to the whee axis and being extended beyond the circumfer- 5 ential edge of said hub Harige, a hubvshell, an attachmg member for securing said shell in position upon said hub, said attaching member being in the form of an annulus having radially spaced concentric flanges the outer of which is -of greater depth than the inner, said outer langebeing in contacting en agement with the internal surface ofsaid hu shell, the rear edges of said outer liange and of said hub shell commonly abutting the l5' exposed surface of said brake drum main body and said inner and shorter flange of said attaching member abutting the frontal surface of said hub flange, and means demountably securing said hub shell to the hub of the vehicle. y

3. In a demountable' wire wheel hub shell, in combination, a pair of telescopically engaged members permanently secured together, tlie outer member being vprovided lWith spoke anchorage zonesy adjacent each end thereof and the inner member comprising an inner portion and a flanged portion constitutin a reinforcement for onegof said zones, saldflanged portion forming said telescoping engagement with said outer member and both termmating in a common plane and being adapted to abut against the externalsurface of a brake drum secured to the hub, and means for securing said inner portion of said inner'member directly to the hub, whereby to secure the Wheel in place. A In testimony whereof he hereunto affixes his signature. 40 RUSSELL S, BEGG. 

